C# Properties MCQ Questions with Answers | Page 3

Properties in C# provide a flexible mechanism for accessing and modifying class data while maintaining encapsulation. This section of C# properties MCQ questions with answers focuses on getter and setter methods, auto-implemented properties, and accessors. Popular among TCS, Capgemini, and Cognizant interview patterns, these C programming MCQs (C#-focused) help you understand how to manage data flow efficiently within object-oriented applications. Each question includes detailed reasoning to strengthen conceptual clarity and technical coding accuracy.

Showing 10 of 30 questions

Per page:

Q21

What is an abstract property?

A A property that is automatically implemented
B A property declared without implementation in abstract class
C A static property
D A property with private setter

Answer: Option B

Explanation: Abstract properties are declared in abstract classes and implemented in derived classes.

Q22

Which property validation occurs in the set accessor?

A Input validation
B Output formatting
C Memory allocation
D Exception handling

Answer: Option A

Explanation: Property setters commonly validate input data before assignment.

Q23

What is the purpose of interface properties?

A To provide default implementation
B To define property contracts for implementation
C To create auto-implemented properties
D To make properties static

Answer: Option B

Explanation: Interface properties define property contracts that implementing classes must fulfill.

Q24

Which property type is initialized only once?

A Read-only property
B Write-only property
C Init-only property
D Static property

Answer: Option C

Explanation: Init-only properties can be set only during object initialization.

Q25

What happens if a property has only a private set accessor?

A The property becomes write-only
B The property can be set only within the class
C The property becomes read-only externally
D The property cannot be accessed at all

Answer: Option C

Explanation: Private setters restrict external modification while allowing internal access.

Q26

Which property feature enables data binding in WPF?

A Auto-implementation
B Change notifications
C Static modifier
D Private setters

Answer: Option B

Explanation: Properties support change notifications for data binding scenarios.

Q27

What is a virtual property in C#?

A A property that must be implemented
B A property that can be overridden in derived classes
C A static property
D An abstract property

Answer: Option B

Explanation: Virtual properties can be overridden in derived classes.

Q28

Which property type cannot be overridden in derived classes?

A Virtual property
B Abstract property
C Sealed property
D Override property

Answer: Option C

Explanation: Sealed properties prevent further overriding in inheritance hierarchy.

Q29

What is the purpose of expression-bodied properties?

A To make properties faster
B To provide concise syntax for simple properties
C To make properties thread-safe
D To enable property inheritance

Answer: Option B

Explanation: Expression-bodied properties provide concise syntax for simple properties.

Q30

Which property characteristic enables LINQ queries?

A Property setters
B Property getters
C Property accessibility
D Property values and types

Answer: Option D

Explanation: Properties provide the data structure that LINQ queries operate on.

📚 More from C# Programming

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search

Back to C# Programming

C# - Properties MCQ Questions and Answers

📚 More from C# Programming

C# Programming

Other Subjects

C# - Properties MCQ Questions and Answers

📚 More from C# Programming

C# Programming

Other Subjects

Report a Problem